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Black holes (Astronomy) --- Galactic center --- Trous noirs (Astronomie) --- Centre galactique
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Nuclear astrophysics --- Astrophysics --- Astrophysique nucléaire --- Astrophysique --- Astrophysics. --- Nuclear astrophysics. --- Astrophysique nucléaire
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In the past, they were recognized as the most destructive force in nature. Now, following a cascade of astonishing discoveries, supermassive black holes have undergone a dramatic shift in paradigm. Astronomers are finding out that these objects may have been critical to the formation of structure in the early universe, spawning bursts of star formation, planets, and even life itself. They may have contributed as much as half of all the radiation produced after the Big Bang, and as many as 200 million of them may now be lurking through the vast expanses of the observable cosmos. In this elegant, non-technical account, Melia conveys for the general reader the excitement generated by the quest to expose what these giant distortions in the fabric of space and time have to say about our origin and ultimate destiny.
Black holes (Astronomy) --- Frozen stars --- Compact objects (Astronomy) --- Gravitational collapse --- Stars
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High-energy astrophysics involves the study of exceedingly dynamic and energetic phenomena occurring near the most extreme celestial objects known to exist, such as black holes, neutron stars, white dwarfs, and supernova remnants. High-Energy Astrophysics provides graduate and advanced undergraduate students with the most complete, self-contained introduction to the subject available. This textbook covers all the essentials, weaving together the latest theory with the experimental techniques, instrumentation, and observational methods astronomers use to study high-energy radiation from space. Fulvio Melia introduces topics at the forefront of today's research, including relativistic particles, energetic radiation, and accretion disk theory. No other textbook offers such a thorough yet concise treatment of the key aspects of high-energy astrophysics--both theoretical and observational--or delves as deeply into modern detection techniques, satellite systems, and analytical and numerical modeling used by theoreticians. Amply illustrated, High-Energy Astrophysics is also ideal for researchers interested in the application of fundamental physical laws to understand how matter and radiation behave in regions of the universe where physical conditions are most extreme.Uniquely weaves together the theoretical and experimental aspects of this important branch of astronomy Features stunning images of the high-energy sky Fully describes the principal classes of high-energy sources, with an in-depth study of many archetypal objects within them Provides an excellent, self-contained resource for the classroom, written by a preeminent researcher and teacher in the field
Nuclear astrophysics. --- Astrophysics. --- Astrophysics --- Nuclear physics --- Astronomical physics --- Astronomy --- Cosmic physics --- Physics --- Acceleration. --- Accretion (astrophysics). --- Accretion disk. --- Active galactic nucleus. --- Amplitude. --- Angular momentum. --- Annihilation. --- Apsis. --- Arbitrarily large. --- BL Lac object. --- Bell's theorem. --- Binary star. --- Black hole. --- Boundary layer. --- Bremsstrahlung. --- Circular orbit. --- Classical mechanics. --- Classical physics. --- Compact star. --- Compton Gamma Ray Observatory. --- Compton scattering. --- Concept. --- Conceptual framework. --- Conjecture. --- Cosmic ray. --- Cygnus A. --- Cygnus X-1. --- Database. --- Dissipation. --- Doppler effect. --- Effective temperature. --- Emissivity. --- Event horizon. --- Four-dimensional space. --- Four-vector. --- Galactic Center. --- Galactic plane. --- Galaxy cluster. --- Gamma-ray burst. --- Gravitational energy. --- Initial condition. --- Instability. --- Interstellar medium. --- Intracluster medium. --- Luminosity function (astronomy). --- Magnetic field. --- Massive particle. --- Measurement. --- Milky Way. --- Minute and second of arc. --- Molecular cloud. --- Molecule. --- Neutron star. --- Nuclear reaction. --- Ontology. --- Optical depth. --- Orbital period. --- Particle physics. --- Phenomenon. --- Photon. --- Physical law. --- Physical quantity. --- Physicist. --- Pierre Auger Observatory. --- Pilot wave. --- Polytropic process. --- Positron. --- Power law. --- Prediction. --- Probability. --- Quantity. --- Quantum decoherence. --- Quantum mechanics. --- Quasar. --- ROSAT. --- Radiative cooling. --- Radiative flux. --- Roche lobe. --- Scattering. --- Spaceflight. --- Special relativity. --- Star. --- Supermassive black hole. --- Supernova. --- Synchrotron. --- Temperature. --- Theorem. --- Theory of relativity. --- Theory. --- Thin disk. --- Time dilation. --- Transonic. --- Virgo Cluster. --- Viscosity. --- Wave function. --- Wavelength. --- White dwarf. --- X-ray. --- XMM-Newton.
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The growth of cosmology into a precision science represents one of the most remarkable stories of the past century. Much has been written chronicling this development, but rarely has any of it focused on the most critical element of this work-the cosmic spacetime itself. Addressing this lacuna is the principal focus of this book, documenting the growing body of evidence compelling us-not only to use this famous solution to Einstein's equations in order to refine the current paradigm, but-to probe its foundation at a much deeper level. Its excursion from the smallest to largest possible scales insightfully reveals an emerging link between the Universe we behold and the established tenets of our most fundamental physical theories.
Space and time. --- Cosmology. --- Relativity (Physics) --- Quantum theory --- Espace et temps. --- Cosmologie. --- Relativité (physique) --- Théorie quantique
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